miscISRs.c

Go to the documentation of this file.

/* FreeEMS - the open source engine management system
 *
 * Copyright 2008, 2009 Fred Cooke
 *
 * This file is part of the FreeEMS project.
 *
 * FreeEMS software is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FreeEMS software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with any FreeEMS software.  If not, see http://www.gnu.org/licenses/
 *
 * We ask that if you make any changes to this file you email them upstream to
 * us at admin(at)diyefi(dot)org or, even better, fork the code on github.com!
 *
 * Thank you for choosing FreeEMS to run your engine!
 */


#include "inc/freeEMS.h"
#include "inc/interrupts.h"


void UISR(void){
    /* Increment the unimplemented ISR execution counter */
    Counters.callsToUISRs++;
}


void PortPISR(void){
    /* Clear all port P flags (we only want one at a time) */
    PIFP = ONES;
    /* Increment the unimplemented ISR execution counter */
    Counters.callsToUISRs++;
}           /* Port P interrupt service routine */


void PortJISR(void){
    /* Clear all port H flags (we only want one at a time) */
    PIFJ = ONES;
    /* Increment the unimplemented ISR execution counter */
    Counters.callsToUISRs++;
}


void PortHISR(void)
{
//  // read the interrupt flags to a variable
//  unsigned char portHFlags = PIFH;
//  portHFlags &= 0xF8; // mask out the other bits
//
//  /* Clear all port H flags (we only want one at a time) */
    PIFH = ONES;
//
//  // Toggle a LED so we can see if the code ran
    PORTA ^= 0x80; // Fuel pump pin (A7)
//
    // debounce
    if(portHDebounce == 0){
        portHDebounce = 2;
    }else{
        return;
    }
//
//  // find out which pin triggered it, clear the flag, perform the action.
//  switch(portHFlags)
//  {
//  case 0x80 : // Increment cylinder count and set port count appropriately.
//      switch (configs.combustionEventsPerEngineCycle) {
//          case 1 :
//              configs.combustionEventsPerEngineCycle = 2;
//              configs.ports = 2;
//              break;
//          case 2 :
//              configs.combustionEventsPerEngineCycle = 3;
//              configs.ports = 3;
//              break;
//          case 3 :
//              configs.combustionEventsPerEngineCycle = 4;
//              configs.ports = 4;
//              break;
//          case 4 :
//              configs.combustionEventsPerEngineCycle = 5;
//              configs.ports = 5;
//              break;
//          case 5 :
//              configs.combustionEventsPerEngineCycle = 6;
//              configs.ports = 6;
//              break;
//          case 6 :
//              configs.combustionEventsPerEngineCycle = 8;
//              configs.ports = 4;
//              break;
//          case 8 :
//              configs.combustionEventsPerEngineCycle = 10;
//              configs.ports = 5;
//              break;
//          case 10 :
//              configs.combustionEventsPerEngineCycle = 12;
//              configs.ports = 6;
//              break;
//          case 12 :
//              configs.combustionEventsPerEngineCycle = 1;
//              configs.ports = 1;
//              break;
//      }
//      break;
//  case 0x40 : // Injection output enable/disable
//      if(coreSettingsA & FUEL_CUT){
//          coreSettingsA &= FUEL_CUT_OFF;
//      }else{
//          coreSettingsA |= FUEL_CUT;
//      }
//      break;
//  case 0x20 : // Ignition output enable/disable
//      if(coreSettingsA & HARD_SPARK_CUT){
//          coreSettingsA &= HARD_SPARK_CUT_OFF;
//      }else{
//          coreSettingsA |= HARD_SPARK_CUT;
//      }
//      break;
//  case 0x10 : // Staged injection enable/disable
//      if(coreSettingsA & STAGED_ON){
//          coreSettingsA &= STAGED_OFF;
//      }else{
//          coreSettingsA |= STAGED_ON;
//      }
//      break;
//  case 0x08 : // Staged injection start sched/fixed
//      if(coreSettingsA & STAGED_START){
//          coreSettingsA &= CLEAR_STAGED_START;
//      }else{
//          coreSettingsA |= STAGED_START;
//      }
//      break;
//  case 0x04 : // Staged injection end sched/fixed
//      if(coreSettingsA & STAGED_END){
//          coreSettingsA &= CLEAR_STAGED_END;
//      }else{
//          coreSettingsA |= STAGED_END;
//      }
//      break;
//  case 0x02 : // free input
//      break;
//  case 0x01 : // free input
//      break;
//  default : // Two or more pressed, nothing to do except wait for another button press
//      break;
//  }
}


void IRQISR(void){
    /* Clear the flag */
    // ?? TODO

    /* Increment the unimplemented ISR execution counter */
    Counters.callsToUISRs++;
}


void XIRQISR(void){
    /* Clear the flag */
    // ?? TODO

    /* Increment the unimplemented ISR execution counter */
    Counters.callsToUISRs++;
}


void LowVoltageISR(void){
    /* Clear the flag */
    VREGCTRL |= 0x01;

    /* Increment the counter */
    Counters.lowVoltageConditions++;
}

---